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Centrifugal Force Keychain Yellow

by Mr Sci
Sold out
Original price $7.50
Original price $7.50 - Original price $7.50
Original price $7.50
Current price $6.38
$6.38 - $6.38
Current price $6.38

Try to figure out how to take the coin out from the key chain, the solution is simple and related to the laws of motion!

Think you're smart enough to figure it out? Try your hand at our Centrifugal Force Keychain! This clever little gadget uses the power of physics to keep your coin captive - can you release it? With lots of tiny ball bearings keeping the coin in place, it's a fun and challenging puzzle for all ages.

Style is Yellow: may the centrifugal force be with you

Professor Plums Toys plush tower

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Contact us on (02) 9906 7441


Meet us in store at 1 Ernest Place, Crow's Nest, NSW.


Our Guarantee

If you’re not 100% happy with your order, we will take it back and refund you the full amount you paid for the item within 30 days of when you received it – so long as it is unopened and still in resalable condition. All orders are dispatched within 1-3 days from when the order was received.

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Standard Post

Shipping for all orders is a flat rate of $9.95, and free for order over $120 for all Australian customers.

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Express Post

Express is a Flat rate of $18.95 and is sent same day if the order is received before 1pm

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New Zealand Post

International Standard post to New Zealand is currently $30 Flat rate for all packages to New Zealand.